155 Specifications

Voltage source specifications

DC/peak ranges Maximum peak current Maximum peak power Programming resolution (0.001%)DC accuracy (1 year) calibration temperature °C ± 5 °C+ (% setting + offset)1,7AC accuracy (1 year) calibration temperature °C ± 5 °C + (% setting + % range)1,2,3Temperature coefficient/°C 10 °C to 35 °C ± (% setting + offset)Typical noise (pk-pk/RMS) 0.1 Hz to 10 Hz5Typical noise (pk-pk/RMS) 10 Hz to 100 kHz5
10 mV100 mA1 mW 100 nV0.2% + 140 µV0.014% + 2 µV1 µV/200 nV 45 µV/9 µV
100 mV10 mW 1 µV0.055% + 140 µV0.5 % + 0.2%
(up to 20 kHz)
0.0014% + 2 µV1 µV/200 nV45 µV/9 µV
1 V100 mW 10 µV 0.045% + 170 µV0.0007% + 3 µV1.5 µV/300 nV 45 µV/9 µV
10 V1 W 100 µV 0.045% + 500 µV0.0007% + 30 µV10 µV/2 µV75 µV/15 µV
100 V10 mA 1 W 1 mV 0.055% + 6 mV0.0009% + 300 µV100 µV/20 µV750 µV/150 µV

Current source specifications — low voltage compliance

DC/peak ranges Peak compliance voltage Maximum peak power Programming resolution (0.001%)DC accuracy (1 year) calibration temperature °C ± 5° C + (% setting + offset)1AC accuracy (1 year) calibration temperature °C ± 5° C + (% setting + % range)1,2Temperature coefficient/°C 10 °C to 35 °C ± (% setting + offset)Typical noise (pk-pk/RMS) 0.1 Hz to 10 Hz5Typical noise (pk-pk/RMS) 10 Hz to 100 kHz5
1 µA10 V10 µW 10 pA0.05% + 500 pA0.0008% + 4 pA40 pA/8 pA10 nA/2 nA
10 µA100 µW 100 pA0.05% + 1.5 nA0.0008% + 40 pA40 pA/8 pA10 nA/2 nA
100 µA1 mW 1 nA 0.05% + 15 nA1% + 0.2%
(up to 20 kHz)
0.0008% + 400 pA200 pA/40 pA10 nA/2 nA
1 mA10 mW 10 nA0.05% + 150 nA0.0008% + 4 nA2 nA/400 pA20 nA/4 nA
10 mA100 mW 100 nA0.055% + 2.5 µA0.0008% + 40 nA20 nA/4 nA200 nA/40 nA
100 mA1 W 1 µA 0.1% + 70 µA0.0008% + 400 nA200 nA/40 nA2 µA/400 nA

Current source specifications — high voltage compliance

DC/peak ranges Peak compliance voltage Maximum peak power Programming resolution (0.001%)DC accuracy (1 year) calibration temperature °C ± 5 °C+ (% setting + offset)1AC accuracy (1 year) calibration temperature °C ± 5 °C + (% setting + % range)1,2Temperature coefficient/°C 10 °C to 35 °C ± (% setting + offset)Typical noise (pk-pk/RMS) 0.1 Hz to 10 Hz5Typical noise (pk-pk/RMS) 10 Hz to 100 kHz5
1 μA100 V100 µW 10 pA0.08% + 500 pA0.0025% + 4 pA35 pA/7 pA5 nA/1 nA
10 μA1 mW 100 pA0.08% + 1.5 nA0.0025% + 40 pA35 pA/7 pA5 nA/1 nA
100 μA10 mW 1 nA0.08% + 15 nA1% + 0.2%
(up to 20 kHz)
0.0025% + 400 pA250 pA/50 pA5 nA/1 nA
1 mA100 mW 10 nA0.08% + 150 nA0.0025% + 4 nA2.5 nA/500 pA40 nA/8 nA
10 mA1 W100 nA0.08% + 1.5 µA0.0025% + 40 nA25 nA/5 nA400 nA/80 nA

Additional specifications

Output selection modesVoltage or current
Range selection modesManual, autorange
Current source compliance selection10 V or 100 V
Programmable limits (DC only) I out: compliance voltage, V out: current limit

Accuracy

Positive output: +5%/-0% of setting (when setting is ≥10% of its full-scale range); Negative output: -5%/+0% of setting (when setting is ≥10% of its full-scale range)

Programming resolution

Current limit: 0.1% of full-scale current range (auto selected)
Voltage limit: 10 mV (10 V compliance), 100 mV (100 V compliance)
PolarityBipolar, 4-quadrant
Load impedanceCapable of driving any resistive load within the I and V limitations of the source; stability maintained with reactive loads up to 50 µF or 1 mH (with 100 Ω damping)
AC frequency range100 mHz to 100 kHz
AC frequency accuracy±0.06%
AC signal typesSine
Total harmonic distortion<0.1% from DC to 20 kHz, <1% from 20 kHz to 100 kHz
Sample rate 600 kilosamples per second
Noise (10 Hz to 40 MHz)2,5 Voltage: ≤700 µV RMS, across all ranges
Current: ≤8 µA RMS (400 µV RMS across 50 Ω), across all ranges
Load regulation2 Voltage: 10 V range and below: <0.2% of range, 100 V range: <0.01% of range; Current: 10 V compliance: <0.01% of range, 100 V compliance: <0.01% of range
Settling times Voltage: time to reach final value at open load condition: 25 µs
Current: time to reach final value into a given load4: 25 µs
Output lead connectionsOutput HI, Output LO, Guard, Chassis Ground
Connector type Front: safety banana jack
Rear: BNC or triaxial
(user selectable between front and rear panel)
Guard output Maximum load current: 1 mA peak
Power up protection Output terminals floating on power up
Additional output featuresUser-specified output setting limit, enable/disable output setting
Warm-up time 30 min (to achieve specified accuracy)
Isolation Source output isolated from chassis ground
Output capacitance Front: <100 pF, rear: <50 pF

Reference output

Signal type Synchronous with the source output signal, referenced to chassis ground
Amplitude 0 to +3.3 V nominal
Accuracy5 Voltage: ±3°, up to 10 kHz
Current6: ±4°, up to 10 kHz
Phase compensation-180.0° to +180.0° with 1° resolution
Connector BNC
Waveform Square wave

1 Calibration temperature is the ambient temperature during factor calibration, typically, 23 °C; reported by the instrument
2 Specification guaranteed on the rear panel only
3 Guaranteed into load no greater than 100 pF
4 Loads for current settle time: 100 mA range: 100 Ω, 1 mA and 100 μA ranges: 10 kΩ, 10 μA, and 1 μA ranges: short
5 Representative values
6 Measured into 10 Ω resistor for 100 mA and 10 mA ranges with compliance voltage <10 V; measured into transimpedance amplifier with 1 kΩ feedback resistor for other cases
7 Calibrated into >10 GΩ load

LabVIEW™ is a trademark of National Instruments. Neither Lake Shore Cryotronics, nor any software programs or other goods or services offered by Lake Shore, are affiliated with, endorsed by, or sponsored by National Instruments.

Front panel

Display 5 in capacitive touch, color TFT-LCD WVGA (800 × 480) with LED backlight

Interface

USB host

Type

USB 3.0, mass storage class (MSC) device

Function

Firmware updates, flash drive support

Location

Rear panel

Connector

USB Type-C™
USB device

Type

USB 2.0

Function

Emulates a standard RS-232 serial port

Protocol

Standard commands for programmable instruments (SCPI)

Baud rate

115,200

Connector

USB Type-B

Software support

LabVIEW™ and IVI.NET drivers
Ethernet

Function

TCP/IP command and control, mobile app

App. layer protocol

Standard commands for programmable instruments (SCPI)

Connector

RJ-45

Speed

1 Gb/s

Software support

LabVIEW™ and IVI.NET drivers
Wi-Fi

Type

802.11 b/g/n

Function

TCP/IP command and control, mobile app

App. layer protocol

Standard commands for programmable instruments (SCPI)

Antenna

External, coaxial

Software support

LabVIEW™ and IVI.NET drivers
Wireless personal area network (WPAN)

Function

Short-range, wireless interconnection for mobile app

Antenna

External, coaxial

Digital IO

Connector 6-pin 3.5 mm detachable terminal block
Output 2 TTL compatible output (3.3 Vhigh nominal at 1 mA)
Input 2 TTL compatible input; Vhigh nominal: 3.3 V; Vlow nominal: 0 V
Grounding Referenced to chassis ground

General

Safety interlock 2-pin, 5.0 mm detachable terminal block, maximum 10 Ω external circuit impedance
Ambient temperature 10 °C to 35 °C at rated accuracy; 5 °C to 40 °C at reduced accuracy
Power requirement 100 V to 240 V (universal input), 50 to 60 Hz, 30 VA
Size 217 mm W × 87 mm H × 369 mm D (8.5 in × 3.4 in × 14.5 in), half rack
Weight 3.2 kg (7 lb)
Approval CE mark
Wireless approvals 

FCC

TFB-TIWI1-01

IC

5969A-TIWI101

Giteki

G209-J00157

Back to the 155 overview

Low noise performance

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